#mainContainer.switch,
#superwide.switch {
  -webkit-animation: none;
  -moz-animation: none;
  -o-animation: none;
  animation: none;
}
#mainContainer.back,
#superwide.back {
  -webkit-animation: none;
  -moz-animation: none;
  -o-animation: none;
  animation: none;
}
#hidden-panel.switch {
  -webkit-animation: none;
  -moz-animation: none;
  -o-animation: none;
  animation: none;
  left: 0;
}
#hidden-panel.back {
  -webkit-animation: none;
  -moz-animation: none;
  -o-animation: none;
  animation: none;
}